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自己写的一个php基于phpQuery的通用采集类

时间：2021-07-01 10:21:17 帮助过：4人阅读

还是小菜，第一次分享代码哈，这是自己以前写的一个php的采集类，自己一直在用，自我感觉很简单很强大，只要懂一点点选择器的知识就可以采集任何页面了，也支持https页面，做简单的采集足够用了。
  2. /**
  3. *通用列表采集类
  4. *版本V1.3
  5. *作者:JAE
  6. *博客:http://blog.jaekj.com
  7. */
  8. require_once '../phpQuery/phpQuery/phpQuery.php';
  9. class QueryList{
  11. private $pageURL;
  12. private $regArr = array();
  13. public $jsonArr = array();
  14. private $regRange;
  15. private $html;
  16. /************************************************
  17. * 参数: 页面地址 选择器数组 块选择器
  18. * 【选择器数组】说明：格式array("名称"=>array("选择器","类型"),.......)
  19. * 【类型】说明：值 "text" ,"html" ,"属性"
  20. *【块选择器】：指 先按照规则 选出 几个大块 ，然后再分别再在块里面 进行相关的选择
  21. *************************************************/
  22. function QueryList($pageURL,$regArr=array(),$regRange='')
  23. {
  24. $this->pageURL = $pageURL;
  26. //为了能获取https://
  27. $ch = curl_init();
  28. curl_setopt($ch, CURLOPT_URL,$this->pageURL);
  29. curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
  30. curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
  31. curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
  32. $this->html = curl_exec($ch);
  33. curl_close($ch);
  35. if(!empty($regArr))
  36. {
  38. $this->regArr = $regArr;
  39. $this->regRange = $regRange;
  40. $this->getList();
  41. }
  43. }
  44. function setQuery($regArr,$regRange='')
  45. {
  46. $this->jsonArr=array();
  47. $this->regArr = $regArr;
  48. $this->regRange = $regRange;
  49. $this->getList();
  50. }
  51. private function getList()
  52. {
  54. $hobj = phpQuery::newDocumentHTML($this->html);
  55. if(!empty($this->regRange))
  56. {
  57. $robj = pq($hobj)->find($this->regRange);
  59. $i=0;
  60. foreach($robj as $item)
  61. {
  63. while(list($key,$reg_value)=each($this->regArr))
  64. {
  65. $iobj = pq($item)->find($reg_value[0]);
  67. switch($reg_value[1])
  68. {
  69. case 'text':
  70. $this->jsonArr[$i][$key] = trim(pq($iobj)->text());
  71. break;
  72. case 'html':
  73. $this->jsonArr[$i][$key] = trim(pq($iobj)->html());
  74. break;
  75. default:
  76. $this->jsonArr[$i][$key] = pq($iobj)->attr($reg_value[1]);
  77. break;
  79. }
  80. }
  81. //重置数组指针
  82. reset($this->regArr);
  83. $i++;
  84. }
  85. }
  86. else
  87. {
  88. while(list($key,$reg_value)=each($this->regArr))
  89. {
  90. $lobj = pq($hobj)->find($reg_value[0]);
  93. $i=0;
  94. foreach($lobj as $item)
  95. {
  96. switch($reg_value[1])
  97. {
  98. case 'text':
  99. $this->jsonArr[$i++][$key] = trim(pq($item)->text());
  100. break;
  101. case 'html':
  102. $this->jsonArr[$i++][$key] = trim(pq($item)->html());
  103. break;
  104. default:
  105. $this->jsonArr[$i++][$key] = pq($item)->attr($reg_value[1]);
  106. break;
  108. }
  111. }
  114. }
  115. }
  116. }
  117. function getJSON()
  118. {
  119. return json_encode($this->jsonArr);
  120. }
  122. }
  1. require 'Query/QueryList.class.php';
  4. //采集OSC的代码分享列表，标题 链接 作者
  5. $url = "http://www.oschina.net/code/list";
  6. $reg = array("title"=>array(".code_title a:eq(0)","text"),"url"=>array(".code_title a:eq(0)","href"),"author"=>array("img","title"));
  7. $rang = ".code_list li";
  8. $hj = new QueryList($url,$reg,$rang);
  9. $arr = $hj->jsonArr;
  10. print_r($arr);
  11. //如果还想采当前页面右边的 TOP40活跃贡献者 图像，得到JSON数据,可以这样写
  12. $reg = array("portrait"=>array(".hot_top img","src"));
  13. $hj->setQuery($reg);
  14. $json = $hj->getJSON();
  15. echo $json . "
    ";
  17. //采OSC内容页内容
  18. $url = "http://www.oschina.net/code/snippet_186288_23816";
  19. $reg = array("title"=>array(".QTitle h1","text"),"con"=>array(".Content","html"));
  20. $hj = new QueryList($url,$reg);
  21. $arr = $hj->jsonArr;
  22. print_r($arr);
  24. //就举这么多例子吧，是不是用来做采集很方便
  2. /**
  3. *自己写的百度和谷歌搜索API
  4. *版本V2.0
  5. *作者:JAE
  6. *博客:http://blog.jaekj.com
  7. **/
  8. require_once 'QueryList_class.php';
  9. class Searcher
  10. {
  11. private $searcher;
  12. private $key;
  13. private $num;
  14. private $page;
  15. private $regArr ;
  16. private $regRange ;
  17. private $regZnum;
  18. public $jsonArr;
  19. //参数 搜索引擎 搜索关键字 返回的结果条数 第几页
  20. function Searcher($searcher,$key,$num,$page)
  21. {
  22. if($searcher=='baidu')
  23. {
  24. $this->regArr = array("title"=>array("h3.t a,#ting_singlesong_box a","text"),"tCon"=>array("div.c-abstract,font:slice(0,2),div#weibo,table tr:eq(0),div.c-abstract-size p:eq(0),div.vd_sitcom_new_tinfo","text"),"url"=>array("h3.t a,#ting_singlesong_box a","href"));
  25. $this->regRange = 'table.result,table.result-op';
  26. $this->regZnum=array("zNum"=>array("span.nums","text"));
  27. }
  28. else if($searcher=='google')
  29. {
  30. $this->regArr = array("title"=>array("h3.r a","text"),"tCon"=>array("span.st","text"),"url"=>array("h3.r a","href"));
  31. $this->regRange = 'li.g';
  32. $this->regZnum=array("zNum"=>array("div#resultStats","text"));
  33. }
  34. $this->searcher = $searcher;
  35. $this->key = $key;
  36. $this->num = $num;
  37. $this->page = $page-1;
  38. $this->getList();
  39. }
  40. private function getList()
  41. {
  42. $s = urlencode($this->key);
  43. $num = $this->num;
  44. $start = $this->num*$this->page;
  45. if($this->searcher=='baidu')
  46. {
  47. $url = "http://www.baidu.com/s?pn=$start&rn=$num&wd=$s";
  48. $reg_znum='/[\d,]+/';
  49. }
  50. else if($this->searcher=='google')
  51. {
  52. $url="https://www.google.com.hk/search?filter=0&lr=&newwindow=1&safe=images&hl=en&as_qdr=all&num=$num&start=$start&q=$s";
  53. $reg_znum='/([\d,]+) result(s)?/';
  54. }
  55. $searcherObj = new QueryList($url,$this->regArr,$this->regRange);
  56. for($i=0;$ijsonArr);$i++)
  57. {
  58. if($this->searcher=='baidu')
  59. {
  60. $searcherObj->jsonArr[$i]['url'] = $this->getBaiduRealURL($searcherObj->jsonArr[$i]['url']);
  61. }
  62. else if($this->searcher=='google')
  63. {
  64. $searcherObj->jsonArr[$i]['url'] = $this->getGoogleRealURL($searcherObj->jsonArr[$i]['url']);
  65. }
  66. }
  67. $this->jsonArr = $searcherObj->jsonArr ;
  69. //获取总共结果条数
  71. $searcherObj->setQuery($this->regZnum);
  72. $zNum = $searcherObj->jsonArr[0]['zNum'];
  73. preg_match($reg_znum,$zNum,$arr)?$zNum=$arr[0]:$zNum=0;
  74. $zNum = (int)str_replace(',','',$zNum);
  75. //计算总页数
  76. $zPage = ceil($zNum/$this->num);
  77. $this->jsonArr=array('num'=>$this->num,'page'=>((int)$this->page+1),'zNum'=>$zNum,'zPage'=>$zPage,"s"=>"$this->key",'other'=>array('author'=>'JAE','QQ'=>'734708094','blog'=>'http://blog.jaekj.com'),'data'=>$this->jsonArr);
  80. }
  81. function getJSON()
  82. {
  83. return json_encode($this->jsonArr);
  84. }
  85. private function getBaiduRealURL($url)
  86. {
  87. //得到百度跳转的真正地址
  88. $header = get_headers($url,1);
  89. if (strpos($header[0],'301') || strpos($header[0],'302'))
  90. {
  91. if(is_array($header['Location']))
  92. {
  93. //return $header['Location'][count($header['Location'])-1];
  94. return $header['Location'][0];
  95. }
  96. else
  97. {
  98. return $header['Location'];
  99. }
  100. }
  101. else
  102. {
  103. return $url;
  104. }
  105. }
  106. private function getGoogleRealURL($url)
  107. {
  108. $reg_url = '/q=(.+)&/U';
  109. return preg_match($reg_url,$url,$arr)?urldecode($arr[1]):$url;
  111. }
  112. }
  113. // $hj = new Searcher('google','oschina',20,2);
  114. // print_r( $hj->jsonArr);
  115. //效果演示地址
  116. //http://blog.jaekj.com//jae/demo/searcher/Searcher_class.php?searcher=baidu&s=jaekj&num=20&page=1

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